Base | Representation |
---|---|
bin | 110000001111… |
… | …0000100010110 |
3 | 1202120210221222 |
4 | 1200132010112 |
5 | 22433221412 |
6 | 2302010342 |
7 | 424644545 |
oct | 140360426 |
9 | 52523858 |
10 | 25288982 |
11 | 13302a94 |
12 | 85769b2 |
13 | 53158c4 |
14 | 350415c |
15 | 2348072 |
hex | 181e116 |
25288982 has 8 divisors (see below), whose sum is σ = 38958816. Its totient is φ = 12302712.
The previous prime is 25288969. The next prime is 25288987. The reversal of 25288982 is 28988252.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×252889823 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25288987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170798 + ... + 170945.
It is an arithmetic number, because the mean of its divisors is an integer number (4869852).
Almost surely, 225288982 is an apocalyptic number.
25288982 is a deficient number, since it is larger than the sum of its proper divisors (13669834).
25288982 is a wasteful number, since it uses less digits than its factorization.
25288982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341782.
The product of its digits is 184320, while the sum is 44.
The square root of 25288982 is about 5028.8151686058. The cubic root of 25288982 is about 293.5241117186.
The spelling of 25288982 in words is "twenty-five million, two hundred eighty-eight thousand, nine hundred eighty-two".
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